Mathematical Skills and Lab Safety Procedures (Grade 10 NSC Matric Life Sciences): Quizzes

$\frac{\text{measured size} \times \text{scale value}}{\text{scale length}}$

1000 nm

$\frac{\text{Sum of all values}}{\text{Number of values}}$

$\frac{\text{Number with feature}}{\text{Total}} \times 100$

1000 $\mu m$

It neutralises acid spills

Away from yourself and others

Never leave them unattended

When working with hazardous chemicals or gases

When working with chemicals or heating